CM6 3 postcode sector in the CM6 district

CM6 3 is a sector of the CM6 district: every postcode that starts CM6 3. It has 309 postcodes in use, 4 of them large-user postcodes. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.

Not sure what a sector is? UK postcode format explained.

Every postcode in the CM6 3 sector, by flood risk

Map of every postcode in the CM6 3 sector, by flood risk Of the 309 postcodes in the CM6 3 sector that ONS places, 10 have a home or business at high risk, 2 are at medium risk at worst, 4 are at low risk at worst and 293 are not on the Environment Agency's at-risk list. Places named: Braintree, Great Dunmow, Great Notley, Thaxted, Rayne. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. CM6 3AA: not on the flood risk listCM6 3AD: not on the flood risk listCM6 3AF: not on the flood risk listCM6 3AG: not on the flood risk listCM6 3AJ: not on the flood risk listCM6 3AN: not on the flood risk listCM6 3AP: not on the flood risk listCM6 3AQ: not on the flood risk listCM6 3AS: not on the flood risk listCM6 3AT: not on the flood risk listCM6 3AU: not on the flood risk listCM6 3AW: not on the flood risk listCM6 3AX: not on the flood risk listCM6 3AY: not on the flood risk listCM6 3BA: not on the flood risk listCM6 3BD: not on the flood risk listCM6 3BE: not on the flood risk listCM6 3BH: not on the flood risk listCM6 3BJ: not on the flood risk listCM6 3BL: not on the flood risk listCM6 3BN: not on the flood risk listCM6 3BP: not on the flood risk listCM6 3BQ: not on the flood risk listCM6 3BT: not on the flood risk listCM6 3BU: not on the flood risk listCM6 3BW: not on the flood risk listCM6 3BX: not on the flood risk listCM6 3BY: not on the flood risk listCM6 3BZ: not on the flood risk listCM6 3DA: not on the flood risk listCM6 3DB: not on the flood risk listCM6 3DE: not on the flood risk listCM6 3DF: not on the flood risk listCM6 3DG: not on the flood risk listCM6 3DJ: not on the flood risk listCM6 3DL: not on the flood risk listCM6 3DN: not on the flood risk listCM6 3DP: not on the flood risk listCM6 3DQ: not on the flood risk listCM6 3DR: not on the flood risk listCM6 3DS: not on the flood risk listCM6 3DU: not on the flood risk listCM6 3DX: not on the flood risk listCM6 3DZ: not on the flood risk listCM6 3EB: not on the flood risk listCM6 3ED: not on the flood risk listCM6 3EE: not on the flood risk listCM6 3EF: not on the flood risk listCM6 3EG: not on the flood risk listCM6 3EH: not on the flood risk listCM6 3EP: not on the flood risk listCM6 3ER: not on the flood risk listCM6 3ES: not on the flood risk listCM6 3ET: not on the flood risk listCM6 3EU: not on the flood risk listCM6 3EY: not on the flood risk listCM6 3EZ: not on the flood risk listCM6 3FD: not on the flood risk listCM6 3FF: not on the flood risk listCM6 3FH: not on the flood risk listCM6 3FL: not on the flood risk listCM6 3FP: not on the flood risk listCM6 3FR: not on the flood risk listCM6 3FS: not on the flood risk listCM6 3FZ: not on the flood risk listCM6 3GB: not on the flood risk listCM6 3GD: not on the flood risk listCM6 3GE: not on the flood risk listCM6 3GG: not on the flood risk listCM6 3GJ: not on the flood risk listCM6 3GL: not on the flood risk listCM6 3GR: not on the flood risk listCM6 3GS: not on the flood risk listCM6 3GW: not on the flood risk listCM6 3GY: not on the flood risk listCM6 3HA: not on the flood risk listCM6 3HF: not on the flood risk listCM6 3HG: not on the flood risk listCM6 3HH: not on the flood risk listCM6 3HN: not on the flood risk listCM6 3HP: not on the flood risk listCM6 3HR: not on the flood risk listCM6 3HS: not on the flood risk listCM6 3HT: not on the flood risk listCM6 3HX: not on the flood risk listCM6 3HY: not on the flood risk listCM6 3JE: not on the flood risk listCM6 3JF: not on the flood risk listCM6 3JH: not on the flood risk listCM6 3JJ: not on the flood risk listCM6 3JL: not on the flood risk listCM6 3JP: not on the flood risk listCM6 3JR: not on the flood risk listCM6 3JS: not on the flood risk listCM6 3JT: not on the flood risk listCM6 3JU: not on the flood risk listCM6 3JW: not on the flood risk listCM6 3JX: not on the flood risk listCM6 3JZ: not on the flood risk listCM6 3LA: not on the flood risk listCM6 3LB: not on the flood risk listCM6 3LE: not on the flood risk listCM6 3LF: not on the flood risk listCM6 3LG: not on the flood risk listCM6 3LH: not on the flood risk listCM6 3LN: not on the flood risk listCM6 3LP: not on the flood risk listCM6 3LS: not on the flood risk listCM6 3LT: not on the flood risk listCM6 3LU: not on the flood risk listCM6 3LX: not on the flood risk listCM6 3LY: not on the flood risk listCM6 3LZ: not on the flood risk listCM6 3NA: not on the flood risk listCM6 3NB: not on the flood risk listCM6 3ND: not on the flood risk listCM6 3NF: not on the flood risk listCM6 3NH: not on the flood risk listCM6 3NJ: not on the flood risk listCM6 3NL: not on the flood risk listCM6 3NN: not on the flood risk listCM6 3NQ: not on the flood risk listCM6 3NT: not on the flood risk listCM6 3NU: not on the flood risk listCM6 3NY: not on the flood risk listCM6 3NZ: not on the flood risk listCM6 3PA: not on the flood risk listCM6 3PB: not on the flood risk listCM6 3PD: not on the flood risk listCM6 3PE: not on the flood risk listCM6 3PF: not on the flood risk listCM6 3PG: not on the flood risk listCM6 3PH: not on the flood risk listCM6 3PJ: not on the flood risk listCM6 3PL: not on the flood risk listCM6 3PN: not on the flood risk listCM6 3PP: not on the flood risk listCM6 3PQ: not on the flood risk listCM6 3PR: not on the flood risk listCM6 3PT: not on the flood risk listCM6 3PU: not on the flood risk listCM6 3PW: not on the flood risk listCM6 3PX: not on the flood risk listCM6 3PY: not on the flood risk listCM6 3PZ: not on the flood risk listCM6 3QA: not on the flood risk listCM6 3QB: not on the flood risk listCM6 3QD: not on the flood risk listCM6 3QE: not on the flood risk listCM6 3QF: not on the flood risk listCM6 3QG: not on the flood risk listCM6 3QH: not on the flood risk listCM6 3QJ: not on the flood risk listCM6 3QL: not on the flood risk listCM6 3QN: not on the flood risk listCM6 3QP: not on the flood risk listCM6 3QQ: not on the flood risk listCM6 3QS: not on the flood risk listCM6 3QU: not on the flood risk listCM6 3QW: not on the flood risk listCM6 3RA: not on the flood risk listCM6 3RB: not on the flood risk listCM6 3RD: not on the flood risk listCM6 3RE: not on the flood risk listCM6 3RF: not on the flood risk listCM6 3RG: not on the flood risk listCM6 3RH: not on the flood risk listCM6 3RJ: not on the flood risk listCM6 3RL: not on the flood risk listCM6 3RN: not on the flood risk listCM6 3RR: not on the flood risk listCM6 3RT: not on the flood risk listCM6 3RU: not on the flood risk listCM6 3RX: not on the flood risk listCM6 3RZ: not on the flood risk listCM6 3SE: not on the flood risk listCM6 3SF: not on the flood risk listCM6 3SG: not on the flood risk listCM6 3SH: not on the flood risk listCM6 3SP: not on the flood risk listCM6 3SQ: not on the flood risk listCM6 3SR: not on the flood risk listCM6 3SS: not on the flood risk listCM6 3ST: not on the flood risk listCM6 3SU: not on the flood risk listCM6 3SW: not on the flood risk listCM6 3SY: not on the flood risk listCM6 3SZ: not on the flood risk listCM6 3TB: not on the flood risk listCM6 3TD: not on the flood risk listCM6 3TH: not on the flood risk listCM6 3TJ: not on the flood risk listCM6 3TU: not on the flood risk listCM6 3TW: not on the flood risk listCM6 3TX: not on the flood risk listCM6 3TZ: not on the flood risk listCM6 3UA: not on the flood risk listCM6 3UD: not on the flood risk listCM6 3UG: not on the flood risk listCM6 3UJ: not on the flood risk listCM6 3UL: not on the flood risk listCM6 3UQ: not on the flood risk listCM6 3US: not on the flood risk listCM6 3UX: not on the flood risk listCM6 3XD: not on the flood risk listCM6 3XF: not on the flood risk listCM6 3XJ: not on the flood risk listCM6 3XL: not on the flood risk listCM6 3YG: not on the flood risk listCM6 3YH: not on the flood risk listCM6 3YJ: not on the flood risk listCM6 3YL: not on the flood risk listCM6 3YU: not on the flood risk listCM6 3ZD: not on the flood risk listCM6 3ZG: not on the flood risk listCM6 3ZH: not on the flood risk listCM6 3ZN: not on the flood risk listCM6 3ZQ: not on the flood risk listCM6 3ZR: not on the flood risk listCM6 3ZT: not on the flood risk listCM6 3LQ: low flood risk at worstCM6 3QR: low flood risk at worstCM6 3QT: low flood risk at worstCM6 3SN: low flood risk at worstCM6 3AR: medium flood risk at worstCM6 3NX: medium flood risk at worstCM6 3AH: high flood riskCM6 3BS: high flood riskCM6 3HD: high flood riskCM6 3HQ: high flood riskCM6 3HU: high flood riskCM6 3LD: high flood riskCM6 3PS: high flood riskCM6 3QZ: high flood riskCM6 3RS: high flood riskCM6 3TE: high flood risk BraintreeGreat DunmowGreat NotleyThaxtedRayne Map of every postcode in the CM6 3 sector, by flood risk Of the 309 postcodes in the CM6 3 sector that ONS places, 10 have a home or business at high risk, 2 are at medium risk at worst, 4 are at low risk at worst and 293 are not on the Environment Agency's at-risk list. Places named: Braintree, Great Dunmow, Great Notley. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. BraintreeGreat DunmowGreat Notley
  • A home or business at high risk: 10
  • At medium risk at worst: 2
  • At low risk at worst: 4
  • At very low risk only: 0
  • Not on the at-risk list: 293

Of the 309 postcodes in the CM6 3 sector that ONS places, 10 have a home or business at high risk, 2 are at medium risk at worst, 4 are at low risk at worst and 293 are not on the Environment Agency's at-risk list.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

The postcodes at high risk

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

CM6 3TE4 at high riskCM6 3LD3 at high riskCM6 3QZ2 at high riskCM6 3RS2 at high riskCM6 3HD1 at high riskCM6 3AH1 at high riskCM6 3BS1 at high riskCM6 3HQ1 at high riskCM6 3HU1 at high riskCM6 3PS1 at high risk

What do homes sell for in CM6 3?

Homes in CM6 3 sold for a typical £500,000 in the 12 months to August 2026, across 135 sales, down 6.5% on the 12 months before, HM Land Registry's figures show.

£500,000 typical price, the 12 months to August 2026
£535,000 12 months to August 2025
▼ down 6.5% on the 12 months before
  • Detached £575,000 86 sales
  • Semi-detached £415,000 23 sales
  • Terraced £360,000 22 sales
  • Flat or maisonette 4 sales, too few to price

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value at the postcodes that start CM6 3. A typical price is the median, the middle sale, given from 5 sales or more.

How we work this out: house prices by postcode

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Postcodes in CM6 3

Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.

CM6 3AACM6 3ADCM6 3AFCM6 3AGCM6 3AHCM6 3AJCM6 3ALCM6 3ANCM6 3APCM6 3AQCM6 3ARCM6 3ASCM6 3ATCM6 3AUCM6 3AWCM6 3AXCM6 3AYCM6 3AZCM6 3BACM6 3BDCM6 3BECM6 3BHCM6 3BJCM6 3BLCM6 3BNCM6 3BPCM6 3BQCM6 3BSCM6 3BTCM6 3BUCM6 3BWCM6 3BXCM6 3BYCM6 3BZCM6 3DACM6 3DBCM6 3DDCM6 3DECM6 3DFCM6 3DGCM6 3DHCM6 3DJCM6 3DLCM6 3DNCM6 3DPCM6 3DQCM6 3DRCM6 3DSCM6 3DTCM6 3DUCM6 3DWCM6 3DXCM6 3DYCM6 3DZCM6 3EBCM6 3EDCM6 3EECM6 3EFCM6 3EGCM6 3EHCM6 3EJCM6 3ELCM6 3EPCM6 3EQCM6 3ERCM6 3ESCM6 3ETCM6 3EUCM6 3EWCM6 3EXCM6 3EYCM6 3EZCM6 3FDCM6 3FFCM6 3FHCM6 3FJCM6 3FLCM6 3FNCM6 3FPCM6 3FQCM6 3FRCM6 3FSCM6 3FTCM6 3FUCM6 3FWCM6 3FXCM6 3FYCM6 3FZCM6 3GBCM6 3GDCM6 3GECM6 3GFCM6 3GGCM6 3GHCM6 3GJCM6 3GLCM6 3GNCM6 3GPCM6 3GQCM6 3GRCM6 3GSCM6 3GTCM6 3GUCM6 3GWCM6 3GYCM6 3HACM6 3HBCM6 3HDCM6 3HFCM6 3HGCM6 3HHCM6 3HNCM6 3HPCM6 3HQCM6 3HRCM6 3HSCM6 3HTCM6 3HUCM6 3HWCM6 3HXCM6 3HYCM6 3HZCM6 3JDCM6 3JECM6 3JFCM6 3JHCM6 3JJCM6 3JLCM6 3JPCM6 3JQCM6 3JRCM6 3JSCM6 3JTCM6 3JUCM6 3JWCM6 3JXCM6 3JZCM6 3LACM6 3LBCM6 3LDCM6 3LECM6 3LFCM6 3LGCM6 3LHCM6 3LLCM6 3LNCM6 3LPCM6 3LQCM6 3LRCM6 3LSCM6 3LTCM6 3LUCM6 3LWCM6 3LXCM6 3LYCM6 3LZCM6 3NACM6 3NBCM6 3NDCM6 3NECM6 3NFCM6 3NGCM6 3NHCM6 3NJCM6 3NLCM6 3NNCM6 3NPCM6 3NQCM6 3NTCM6 3NUCM6 3NWCM6 3NXCM6 3NYCM6 3NZCM6 3PACM6 3PBCM6 3PDCM6 3PECM6 3PFCM6 3PGCM6 3PHCM6 3PJCM6 3PLCM6 3PNCM6 3PPCM6 3PQCM6 3PRCM6 3PSCM6 3PTCM6 3PUCM6 3PWCM6 3PXCM6 3PYCM6 3PZCM6 3QACM6 3QBCM6 3QDCM6 3QECM6 3QFCM6 3QGCM6 3QHCM6 3QJCM6 3QLCM6 3QNCM6 3QPCM6 3QQCM6 3QRCM6 3QSCM6 3QTCM6 3QUCM6 3QWCM6 3QZCM6 3RACM6 3RBCM6 3RDCM6 3RECM6 3RFCM6 3RGCM6 3RHCM6 3RJCM6 3RLCM6 3RNCM6 3RPCM6 3RQCM6 3RRCM6 3RSCM6 3RTCM6 3RUCM6 3RWCM6 3RXCM6 3RYCM6 3RZCM6 3SACM6 3SECM6 3SFCM6 3SGCM6 3SHCM6 3SJCM6 3SLCM6 3SNCM6 3SPCM6 3SQCM6 3SRCM6 3SSCM6 3STCM6 3SUCM6 3SWCM6 3SXCM6 3SYCM6 3SZCM6 3TBCM6 3TDCM6 3TECM6 3THCM6 3TJCM6 3TTCM6 3TUCM6 3TWCM6 3TXCM6 3TZCM6 3UACM6 3UDCM6 3UECM6 3UFCM6 3UGCM6 3UHCM6 3UJCM6 3ULCM6 3UNCM6 3UQCM6 3USCM6 3UUCM6 3UWCM6 3UXCM6 3XBCM6 3XDCM6 3XFCM6 3XGCM6 3XHCM6 3XJCM6 3XLCM6 3XPCM6 3XQCM6 3YDCM6 3YFCM6 3YGCM6 3YHCM6 3YJCM6 3YLCM6 3YNCM6 3YPCM6 3YRCM6 3YTCM6 3YUCM6 3YWCM6 3ZACM6 3ZBCM6 3ZDCM6 3ZECM6 3ZGCM6 3ZHCM6 3ZJCM6 3ZLCM6 3ZNCM6 3ZPCM6 3ZQCM6 3ZRCM6 3ZSCM6 3ZT

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

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